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John C. Gruendel, MD, FACC

John C. Gruendel, MD, FACC

Optum Provider

Specialty

Cardiovascular Disease

Languages

English

Seeing patients at

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM
Saturday Closed
Sunday Closed
Hours may vary, please contact to schedule and confirm appointment availability.

Patient Reviews

Patient review summary

Learn about our survey

5

4

3

2

1

4.9

124 reviews

    • Reviewed on May 31, 2026
    • Verified Review

    Pleasant and knowledeable

    • Reviewed on May 31, 2026
    • Verified Review

    On my last visit Dr. Gruendel did not spend that much time with me.

    • Reviewed on May 29, 2026
    • Verified Review

    Dr. Gruendel is an excellent cardiologist. He has provided treatment to me for years.

    • Reviewed on May 27, 2026
    • Verified Review

    His helpfulness and expertise and understanding of my concerns

    • Reviewed on May 27, 2026
    • Verified Review

    He is a caring dr who knows what he is talking about

    • Reviewed on May 25, 2026
    • Verified Review

    John Gruendel is the best cardiologist I have ever known. He has taken care of my wife and me for over 20+ years, long before Optum, and we hope he takes care of us for the next 20. He is kind, compassionate, and extremely intelligent in his care of us. He is the best!!

    • Reviewed on May 25, 2026
    • Verified Review

    Knowledgeable, courteous and listens.

    • Reviewed on May 24, 2026
    • Verified Review

    I would like to adjust some answers

    • Reviewed on May 24, 2026
    • Verified Review

    John Gruendel is a great Doctor.

    • Reviewed on May 24, 2026
    • Verified Review

    Dr Gruendel has been exceptional in taking care of me. He is informative, professional and very caring. I trust him and would not want to lose him,

    • Reviewed on May 23, 2026
    • Verified Review

    he seems very nice and takes an interest in being sure I understand everything

    • Reviewed on May 23, 2026
    • Verified Review

    I like him very much. He’s very caring, understanding, helpful, and kind.

    • Reviewed on May 18, 2026
    • Verified Review

    Dr. Is very professional and answers my questions.

    • Reviewed on May 13, 2026
    • Verified Review

    Great bedside manner, takes time to explain things and does so in understandable terms.

    • Reviewed on May 10, 2026
    • Verified Review

    He was surly and dismissive.

    • Reviewed on May 7, 2026
    • Verified Review

    Knowledge

    • Reviewed on May 5, 2026
    • Verified Review

    I’ve seen him yearly for the last 8 years. I’m very satisfied with my care

    • Reviewed on May 4, 2026
    • Verified Review

    He is an excellent doctor. Knows his stuff very thoroughly He always listen and will give you very good guidance. Very pleasant and efficient

    • Reviewed on May 1, 2026
    • Verified Review

    Kind, compassionate and competent

    • Reviewed on Apr 24, 2026
    • Verified Review

    Dr. was thorough and took his time answering my questions and explaining my health.

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  • About John C. Gruendel, MD, FACC

    Dr. John C. Gruendel provides thoughtful cardiology care for patients with blood pressure concerns, cholesterol imbalances, and arrhythmias. His preventive approach supports patients in achieving and maintaining heart health. He earned his medical degree from New York Medical College and completed cardiology fellowship training at Westchester Medical Center.

    Philosophy of care

    Dr. Gruendel provides individualized heart care focused on quality of life.

    Gender

    Male

    Board certifications

    American Board of Internal Medicine

    Licenses

    NY, 175379

    Employed or contracted

    Employed

    Network Name

    CareMount

    NPI

    1245201227

  • Insurance Accepted

    This list is for informational purposes only and may not reflect the most current plans accepted by the provider. Optum accepts most major health insurance plans. Please contact your insurance company to confirm your coverage, eligibility, and the provider's participation in your plan.

    • 1199
    • Aetna
    • Affinity
    • Anthem BCBS
    • CDPHP
    • CHN
    • Centivo
    • Cigna
    • Coventry
    • EmblemHealth
    • First Health
    • Healthfirst
    • Humana
    • MVP Healthcare
    • MagnaCare
    • Medicaid
    • Medicare
    • MetroPlus
    • MultiPlan
    • NYSHIP
    • Northwell Direct
    • Oscar
    • Oxford
    • TRICARE
    • UMR
  • Medical School

    • New York Medical College

    Residency

    • Westchester Medical Center

  • Awards and Publications